<div class="panel panel-default">
  <div class="panel-heading">
    <h3 class="panel-title">最受欢迎</h3>
  </div>
  <div class="panel-body">
    {{#each sidebar.popular}}
      <div class="col-md-4 text-center" style="padding-bottom: .5em;">
        <a href="/images/{{uniqueId}}">
          <img src="/public/upload/{{filename}}" style="width: 75px; height: 75px;"
            class="img-thumbnail">
        </a>
      </div>
    {{/each}}
  </div>
</div>